单词：long duration power frequency voltage withstand test
单词：long duration power frequency voltage withstand test 相关文章
中文 英文 缩写 电气互锁 electric interlock 电气环境 electrical environment 电气特性 electrical characteristic 电容性负载 capacitive load 电视电话计算机 teleputer 电视监视
电信英语
An Introduction to Verb Tenses 英语日常语法:动词时态 For VOA Learning English, this is Everyday Grammar. Today we are going to give you a basic overview of the verb tense system in English. Verb tenses tell us how an action relates to the f
2016年VOA慢速英语(一)月
Specific times Question When do you . . . (present tense) I usually/always . . . in the evening at 9:00 on Mondays before dinner after I eat lunch when I get home When did you... (past tense) I (past tense) last night before class while I was eating
英语词组对话
本单元是关于新房客伙伴的对话 Helen: Ok everyone, I've got an announcement. We need to get someone for Michal's room as soon as possible. Alice/Tim: Really? Helen: Yeah well, he e-mailed me the other day and he seems to be staying in Poland, at least
公寓伙伴
Describing Duration Kathryn: Are you still watching that movie? Its been over three hours! Martin: Yeah, its a little long for a feature film. Kathryn: A little long?! Its interminable. How can you continue to watch it? Martin: Well, the first half w
2014年ESL之餐饮娱乐
You may not need to worry about batteries someday soon. A 15-year old girl, Ann Makosinski from Victoria, British Columbia, Canada has invented a flashlight that uses the heat from your hand for power. Instead of using batteries the flashlight uses P
轻松英文阅读
Jana: Hey, Peter, are you interested in dancing by any chance? Peter: Yeah, I do. I like dancing. Why? Jana: That's great. Well there is a salsa class in Oita City tomorrow night and a few of us are going but it's mainly we have a group of girls, fiv
英语趣味课堂
[00:01.83]Module 3 COMPUTERS AND THE INTERNET [00:06.41]UNIT 3 You will have an English test next week. [00:12.52]2 Listen and tick. [00:15.45]Tick () the things that David will do today. [00:20.00]Will you be busy today, David? [00:22.55]Yes, I will
外研社新标准初中英语八年级
图片1 gram n．克 例句：The cook needs a gram of vinegar. 厨师需要一克醋。 grammar n. 文法，语法 例句：That is not, properly speaking ,a dictionary but a grammar book. 严格地说，那不是一本字典，而是一本语法书。
漫画搞定六级词汇（文本+音频）
Section A Directions:In this section,you will hear 8 short conversations and 2 long conversations.At the end of each conversation,one or more questions will be asked about what was said.Both the conversation and the questions will be spoken only once
英语六级听力练习集锦
Editor's note: See An Introduction to Verb Tenses for the first story in this series. For VOA Learning English, this is Everyday Grammar. This is the last in our four-part series on verb tenses. Make sure you see our episodes on progressive and perfe
2017年VOA慢速英语(一)月
The Perfect Progressive Tenses Editor's note: See An Introduction to Verb Tenses for the first story in this series. For VOA Learning English, this is Everyday Grammar. This is the last in our four-part series on verb tenses. Make sure you see our ep
2016年VOA慢速英语(一)月
China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co
2017CRI中国国际广播电台
This tactic is still used today on the plains of Africa. If you look at various species of plant eaters, they live together in groups, and if one of them spots a predator, they can whinny or hoot and let the rest of the herd know, so that they can ke
探索与发现2013年
今天我们要学的词是withstand。 Withstand, 是经受、承受的意思。Withstand the test of time, 是指经受得住时间的考验。美国加州南部野火肆虐，但是很多经济学家认为，当地的多元经济能够承受这场灾
英语每日一词
Bird on a Wire 当我们行走在马路上时，经常可以看到成群的麻雀或乌鸦停落在几万伏的高压电线上，它们不仅不会触电，而且一个个显得悠闲自得。可是，你也知道，如果有人不小心碰到高压线
英语听力文摘 English Digest
No one could withstand him, the Hound rasped. That's truth enough. 没人挡得住他，猎狗粗声道，此话倒是不假。 No one could ever withstand Gregor. That boy today, his second joust, oh, that was a pretty bit of business. 的确谁也挡
冰与火之歌系列之《权力的游戏》